85 lines
2.9 KiB
C++
85 lines
2.9 KiB
C++
/* Copyright (C) 2009 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* =========================================================================
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* File : debug_stl.h
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* Project : 0 A.D.
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* Description : portable debugging helper functions specific to the STL.
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* =========================================================================
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*/
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#ifndef INCLUDED_DEBUG_STL
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#define INCLUDED_DEBUG_STL
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namespace ERR
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{
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const LibError STL_CNT_UNKNOWN = -100500;
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// likely causes: not yet initialized or memory corruption.
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const LibError STL_CNT_INVALID = -100501;
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}
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/**
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* reduce complicated STL symbol names to human-readable form.
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*
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* algorithm: remove/replace undesired substrings in one pass (fast).
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* example: "std::basic_string<char, char_traits<char>,
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* std::allocator<char> >" => "string".
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*
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* @param buffer holding input symbol name; modified in-place.
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* there is no length limit; must be large enough to hold typical STL
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* strings. DBG_SYMBOL_LEN chars is a good measure.
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* @return name for convenience.
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**/
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extern char* debug_stl_simplify_name(char* name);
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/**
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* abstraction of all STL iterators used by debug_stl.
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**/
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typedef const u8* (*DebugStlIterator)(void* internal, size_t el_size);
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/**
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* no STL iterator is larger than this; see below.
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**/
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const size_t DEBUG_STL_MAX_ITERATOR_SIZE = 64;
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/**
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* prepare to enumerate the elements of arbitrarily typed STL containers.
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*
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* works by retrieving element count&size via debug information and hiding
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* the container's iterator implementation behind a common interface.
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* a basic sanity check is performed to see if the container memory is
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* valid and appears to be initialized.
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*
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* @param type_name exact type of STL container (see example above)
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* @param p raw memory holding the container
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* @param size sizeof(container)
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* @param el_size sizeof(value_type)
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* @param el_count out; number of valid elements in container
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* @param el_iterator out; callback function that acts as an iterator
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* @param it_mem out; buffer holding the iterator state. must be
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* at least DEBUG_STL_MAX_ITERATOR_SIZE bytes.
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* @return LibError (ERR::STL_*)
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**/
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extern LibError debug_stl_get_container_info(const char* type_name, const u8* p, size_t size,
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size_t el_size, size_t* el_count, DebugStlIterator* el_iterator, void* it_mem);
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#endif // #ifndef INCLUDED_DEBUG_STL
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